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"All friends and family of this whole situation, we won't be really truly resolved on the situation, until we have our friend Aaron Roigard back, so we can put him to rest."

Police have yet to give up on finding Aaron's body.

Detective Senior Sergeant Blair Burnett this afternoon confirmed police had made another approach to David Roigard for information to locate Aaron's body. But Roigard refused to co-operate.

"At this point in time there's nothing further to search, but in light of any credible information we'll reconsider and we'll carry on," Mr Burnet said.

"As time goes by, to be honest, I've become less and less positive [in finding Aaron's body].

"It's more and more difficult in the passage of time to find somebody."

Last year's five-week trial focused on that theft of $66,000.

Bank records produced in court showed up to $700 a fortnight was transferred.

Witnesses during the trial, including his partner and the mother of his two children, Julie Thoms, said Aaron told them the money was being invested through his father so he could save for a farm.

However, Crown prosecutor Cherie Clarke said: "Every single penny was being used by the defendant for his own selfish purposes."

David Roigard has never denied receiving the money, or even spending it.

The defence instead argued Aaron always knew he was spending it, and he was OK with it.

In an interview with police shortly after Aaron disappeared, David Roigard said he always paid for Aaron's car registrations and oil changes, and even a few out of town trips. However, he admitted the arrangement worked in his favour.

During the interview Roigard appeared shocked when told by police the total sum Aaron had given him totalled over $60,000.

The Crown case while strongly focusing on the motive, also focused on other details such as internet searches and cellphone recordings.

Ms Clarke says one of the most important holes in David Roigard's story was two phone calls made around the time Aaron disappeared. The two phone calls from Roigard's phone, channelled through a cellphone tower unreachable from his Waiteika road home, where Aaron was last seen, meaning he was somewhere else at the time these calls were made.

The Crown argued Roigard left the property at this time to bury Aaron's body somewhere up Eltham Rd or Hastings Rd. She also told the jury the murder was pre-meditated, and spoke of internet searches David Roigard had made in the months leading up to Aaron's disappearance, which included "Why can someone die from one blow to the head" and "chainsaw massacres".

Defence lawyer Paul Keegan argued throughout the trial that without a body being found it was impossible to prove beyond reasonable doubt that Aaron was dead. He said they had no way of knowing the injuries Aaron may have received, or the cause of death.

Mr Keegan also told the jury not to rule out suicide, and referred to how witnesses had spoken of how Aaron had suicidal thoughts when he was a teenager.

He also argued that despite witnesses saying Aaron was happier than he had ever been the day he went missing, they could not discount David Roigard had finally informed Aaron that day, that there was no money and no farm.

He says this would have crushed Aaron's dream and could potentially have driven him into depression.

However, the jury of nine women and two men found David Roigard guilty of murder, and Justice Paul Heath convicted him of the charges.